Data as of Nov 11, 2026

103.3.16.0/24

No anonymizer space · no proxy exits in 30 days

Gateway Inc · space held by Double Cast Inc.

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
95 / 100 · Critical
Spamhaus DROP

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
103.3.16.0/221,024W-CAST-2-AS-APDouble Cast Inc. (ORG-DCI2-AP) · JPALLOCATED PORTABLE—ipadmin@m-idc.jp
└ 103.3.16.0/2664APN2APN2ASSIGNED NON-PORTABLE—ckong@apnworks.biz
└ 103.3.16.64/2664TF002TF002ASSIGNED NON-PORTABLE—ipadmin@m-idc.jp
└ 103.3.16.128/25128TF002TF002ASSIGNED NON-PORTABLE—ipadmin@m-idc.jp

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2011
Current origin since
Sep 2019 · 7.2 yr
Origin networks
2
Last change of origin
Sep 2019
Recorded history

History

Handoffs
1